Sage-Tips

Can an element have more than one ARIA role?

Every HTML element may have an ARIA role attribute specified. The attribute, if specified, must have a value that is a set of space-separated tokens representing the various WAI-ARIA roles that the element belongs to. …

What are valid ARIA roles?

There are 6 categories of ARIA roles:

• Document structure roles. Document Structure roles are used to provide a structural description for a section of content.
• Widget roles. The various widget role are used to define common interactive patterns.
• Landmark roles.
• Live region roles.
• Window roles.
• Abstract roles.

When should we use an ARIA attribute?

ARIA attributes can be used to make unsemantic HTML more accessible to screen reader users. For example, a developer who is struggling to style a native checkbox across multiple browsers might decide to use a div and some JavaScript to emulate one.

What are the three types of ARIA attributes?

These attributes are used to support the widget roles.

• aria-autocomplete.
• aria-checked (state)
• aria-disabled (state)
• aria-expanded (state)
• aria-haspopup.
• aria-hidden (state)
• aria-invalid (state)
• aria-label.

Should I use ARIA controls?

Despite the fact support amongst browsers and screen readers could be better, the aria-controls attribute is still worth using. Creating relationships within the DOM is certainly more robust, but it isn’t always practical or achievable.

What does WAI-ARIA stand for?

Web Accessibility Initiative – Accessible Rich Internet Applications
WAI-ARIA refers to the Web Accessibility Initiative – Accessible Rich Internet Applications. WAI-ARIA is a technical specification written by the World Wide Web Consortium (W3C). The specification is most commonly used by developers to build interactive website content that is accessible to people with disabilities.

What is aria disabled?

The ariaDisabled property of the Element interface reflects the value of the aria-disabled attribute, which indicates that the element is perceivable but disabled, so it is not editable or otherwise operable.

Can I use aria label on Div?

By design, aria-label or aria-labelledby replace any other label text inside the element. All three are OK on nav and main elements. They are OK on div elements IF they have role=navigation , search , main , img. They are OK on a table element (except ignored by VoiceOver on iOS).

Can I use WAI-ARIA?

Website owners can use the WAI-ARIA specification to ensure that interactive content meets WCAG success criteria. Interactive content includes commonly used widgets and web applications such as drag-and-drops, accordions, and sliders.

Do Screen readers read aria labels?

When a screen reader encounters the object, the aria-label text is read so that the user will know what it is. Authors should be aware that aria-label may be disregarded by assistive technologies in situations where aria-labelledby is used for the same object.

When should you not use aria?

It means don’t use ARIA when semantic markup already conveys the same information. For example, the [role] property is part of ARIA. One available role is heading . Its purpose is to let screen readers and other AT know that an elements that’s not an h* element is supposed to be a heading.

What is the difference between aria IMG and Aria list roles?

The ARIA img role can be used to identify multiple elements inside page content that should be considered as a single image. These elements could be images, code snippets, text, emojis, or other content that can be combined to deliver information in a visual manner. The ARIA list role can be used to identify a list of items.

How do I use aria with HTML elements?

Use built-in HTML attributes over ARIA whenever possible. Do not change the native role of an HTML element. In case there is a clash, create a div wrapper over the element and define a role. All ARIA functionality and roles must be keyboard accessible. Do not use role as presentation, or aria-hidden to true on a focusable element.

What is the difference between aria role and textbox role?

The table value of the ARIA role attribute identifies the element containing the role as having a non-interactive table structure containing data arranged in rows and columns, similar to the native HTML element. The textbox role is used to identify an element that allows the input of free-form text.

What are the rules of Aria use?

These are known as the Rules of ARIA Use and they are five in number: If you can use a native HTML element or attribute with the semantics and behaviour you require already built in, instead of re-purposing an element and adding an ARIA role, state or property to make it accessible, then do so..